Related Questions

Removal of dirt/soil by soaps or detergent does not involve the __________ of soil.
A Emulsification
B Dispersion
C Precipitation
D Wetting
To remove dirt from the flowing fluid, we use a
A Coagulant
B Gravity settler
C Strains
D Clarifier
The advantage of detergents over soaps is
A detergents are soluble in water
B detergents could not givemuch lather
C detergents give lather even with hard water
D soaps give lather with only soft water
What are the soaps?
A Salts of silicates
B Mixture of glycerol and alcohols
C Sodium or potassium salts of heavier fatty acids
D Esters of heavy fatty acids
Shaving soaps are
A Soft potassium soaps (potassium salt of fatty acid) with free stearic acid to give lather a lasting property
B Metalic soaps compounded with frothing agents
C High free alkali soaps having excess of cane sugar and alcohol
D None of these
Transparent soaps (e.g. Pears) are
A Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and finally washed with methylated spirit to achieve transparency
B Metallic soaps with frothing agent and free stearic acid to achieve transparency
C Metallic soaps with frothing agent from which glycerine has not been recovered
D None of these
The idiom "hit pay dirt" is used to mean--.
A Great attempts but insignificant achievemen.
B To make futile attempts
C To end up in failures after great labor
D To achieve something valuable after an arduou.
The idiom 'hit pay dirt' is used to mean --
A great attempts but insignificant achievement
B to make futile attempts.
C to end up in failures after great labor.
D to achieve something valuable after an arduous search.
The idiom 'hit pay dirt' is used to mean _
A great attempts but insignificant achievement .
B to make futile attempts .
C to end up in failures after great labor .
D to achieve something valuable after an arduous search .
A thin layer of dirt and grime coverts the reflecting surface of the parabolic dish of a radar set. The particular effect on the performance of the radar will be
A A decrease in range
B A reduction in horizontal resolution
C No noticeable effect
D A decrease in gain

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